{"product_id":"wiseco-yamaha-yz-400-77-78-it-40077-78-3366td-piston-kit","title":"Wiseco Yamaha YZ 400 77-78\/IT 40077-78 3366TD Piston Kit","description":"Classic Forged 2-stroke pistons are perfect for those looking to rebuild their 2-stroke engine with reliable, high-quality components. These pistons cover a wide range of Powersports rebuilds, including vintage motocross models, classic street bikes, and snowmobiles. The forged material improves tensile strength over cast pistons, ensuring refreshed performance on the track or the trail.\n85.50 mm Bore\n\u003cul\u003e\n  \u003cli\u003eDedicated forgings and additional lightening operations allow for optimized strength-to-weight ratio\u003c\/li\u003e\n  \u003cli\u003eImproved tensile strength of forged material optimizes strength and service life\u003c\/li\u003e\n  \u003cli\u003eDesigned and built for each specific 2-stroke powersports engine\u003c\/li\u003e\n  \u003cli\u003eIncludes high-quality piston ring(s), wrist pin(s), and circlips\u003c\/li\u003e\n  \u003cli\u003eEngineered, forged, and machined in the USA in Mentor, OH\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Wiseco Yamaha YZ 400 77-78 \/ IT 400 piston kit is designed for enthusiasts and professionals looking to restore or enhance their vintage Yamaha two-stroke engines. Crafted from high-quality forged material, these pistons provide superior tensile strength and durability compared to traditional cast pistons, ensuring reliable performance on the track or trail. The kit includes piston rings, wrist pins, and circlips, offering a comprehensive solution for your rebuild needs. Engineered and machined in the USA, each component is tailored specifically for Yamaha models from 1977 and 1978, including the YZ 400 and IT 400, ensuring perfect fit and optimal function. The 85.50 mm bore size makes these pistons ideal for restoring power and efficiency in your vintage powersports vehicle, providing a significant upgrade over worn-out components.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eDedicated forgings and additional lightening operations optimize the strength-to-weight ratio for improved performance.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eForged material offers enhanced tensile strength, extending service life and increasing reliability.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned specifically for each 2-stroke Yamaha engine model from 1977 and 1978 for precise fit and function.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes high-quality piston rings, wrist pins, and circlips for a complete rebuild kit.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eManufactured in the USA in Mentor, Ohio, ensuring quality control and craftsmanship.\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\nYamaha It400 Base 1977\u003cbr\u003e\nYamaha It400 Base 1978\u003cbr\u003e\nYamaha YZ400 Base 1977\u003cbr\u003e\nYamaha YZ400 Base 1978","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":53959715389756,"sku":"wis394M08550","price":223.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1865\/9007\/files\/780d1180f8c7d133af3efeaebd247fa7_e5437542-feb4-49bb-b764-0d582925d38c.jpg?v=1785760441","url":"https:\/\/necycleshop.com\/products\/wiseco-yamaha-yz-400-77-78-it-40077-78-3366td-piston-kit","provider":"NE Cycle Shop","version":"1.0","type":"link"}